304: Spa Day

Slap some cucumber slices on your eyes because it's time for some triviatherapy! ...Do you smell that? What is that signature "spa smell" and what does it have to do with koalas and gold? Take Chris' relaxing quiz about popular and unusual spa treatments. And Colin dispels myths about swimming pools and answers your (eye)burning questions about chlorine. ALSO: this season's "Um, Actually..." roundup